Exchange rate, also known as exchange rate, refers to the price of one country's currency expressed in another country's currency, or the ratio between the currencies of the two countries.
In the foreign exchange market, the exchange rate is displayed with five digits, such as:
Japanese yen JPY 119.95
British Pound GBP 1.5237
Swiss franc CHF 1.5003
The smallest unit of change in the exchange rate is one point, that is, a change in the last digit, such as:
Japanese Yen JPY 0.01
British Pound GBP 0.0001
Swiss franc CHF 0.0001
According to international practice, three English letters are usually used to represent the name of a currency, and the English after the Chinese name above is the English code of the currency.